Finding the Third Proportional to 7,572.09 and 15,521.91
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Solution
The third proportional to 7,572.09 and 15,521.91 is: 31,818.09
Step by Step Solution
- Step 1: Write the proportion equation
7,572.09 : 15,521.91 = 15,521.91 : x - Step 2: Convert to fraction form
7,572.09/15,521.91 = 15,521.91/x - Step 3: Cross multiply
7,572.09x = 15,521.91 × 15,521.91 - Step 4: Simplify right side
7,572.09x = 240,929,573.63 - Step 5: Solve for x
x = 240,929,573.63/7,572.09 - Step 6: Final answer
x = 31,818.09
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.